diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e28dae4..a6bf942 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,5 +1,9 @@
 name: release
-on: workflow_dispatch
+on:
+  pull_request:
+    branches:
+      - main
+    types: [closed]
 
 jobs:
   tag_and_release: